could you help me with the below multiple questions:

Which of the following is an example of a near-public good?

Select one:

a. national defense

b. a polio vaccination program sponsored by the government

c. a lighthouse

d. a congested freeway during the morning rush hour

Change in Total Revenue/Change in Quantity, TR/Q=

Select one:

a. Profit

b. Marginal Revenue

c. Marginal Profit

d. Marginal cost

The price elasticity of demand for furniture is estimated at 1.3. This value means a one percent increase in the

Select one:

a. price of furniture will decrease the quantity of furniture demanded by 1.3 percent.

b. price of furniture will increase the quantity of furniture demanded by 1.3 percent.

c. quantity of furniture demanded will decrease the price of furniture by 1.3 percent.

d. quantity of furniture demanded will increase the price of furniture by 1.3 percent.

The loss of the highest valued alternative defines the concept of

Select one:

a. scarcity

b. entrepreneurship

c. opportunity cost.

d. marginal benefit

If the price of product X falls and this change increases the demand for product Y, then

Select one:

a. X and Y are substitutes.

b. X and Y are complements.

c. X is an inferior good.

d. Y is an inferior good.

Currently you purchase 6 packages of hot dogs a month. You will graduate from college in December and you will start a new job in January. You have no plans to purchase hot dogs in January. For you, hot dogs are

Select one:

a. A substitute good.

b. An inferior good.

c. A law-of-demand good.

d. A normal good.

I am considering loaning my brother $10,000 for one year. He has agreed to pay 10% interest on the loan. If I don't loan my brother the $10,000, it will stay in my bank account for the year, where it will earn 2% interest. What is the opportunity cost to me of the loan to my brother?

Select one:

a. $800.

b. $200.

c. $1,200.

d. $1,000.

Opportunity cost is best defined as

Select one:

a. the amount given up when choosing one activity over all other alternatives.

b. the amount that is given up when choosing an activity that is not as good as the next best alternative.

c. the opportunity to earn a profit that is greater than the one currently being made.

d. the amount given up when choosing one activity over the next best alternative.

Because a monopolist is the sole producer in its market, it can necessarily alter the price of its good

Select one:

a. by adjusting the quantity it supplies to the market.

b. without affecting the quantity sold.

c. by changing its marginal cost.

d. without affecting its average total cost.

If the price of a good increases while the quantity of the good exchanged on markets decreases, then the most likely explanation is that there has been

Select one:

a. an increase in supply.

b. a decrease in demand.

c. a decrease in supply.

d. an increase in demand.